MAX1167_09 Datasheet, PDF (15/30 Pages) Maxim Integrated Products – Multichannel, 16-Bit, 200ksps Analog-to-Digital Converters

Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
Table 2. Channel Select
BIT7
CH SEL2
0
0
0
0
1
1
1
1
BIT6
CH SEL1
0
0
1
1
0
0
1
1
BIT5
CH SEL0
0
1
0
1
0
1
0
1
CHANNEL
AIN_
0
1
2
3
4
5
6
7
Table 4. MAX1168 Scan Mode, Internal
Clock Only (Not for DSP Mode)
ACTION
Single channel, no scan
Sequentially scan channels 0 through N
(N ≤ 7)
Sequentially scan channels 4 through N
(4 ≤ N ≤ 7)
Scan channel N eight times
BIT4
SCAN1
0
BIT3
SCAN0
0
0
1
1
0
1
1
Table 3. MAX1167 Scan Mode, Internal
Clock Only
ACTION
Single channel, no scan
Sequentially scan channels 0 through N
(N ≤ 3)
Sequentially scan channels 2 through N
(2 ≤ N ≤ 3)
Scan channel N four times
BIT4
SCAN1
0
BIT3
SCAN0
0
0
1
1
0
1
1
Table 5. Power-Down Modes
BIT2
REF/PD_
SEL1
0
0
1
1
BIT1
REF/PD
SEL0
0
1
0
1
REFERENCE
REFERENCE MODE
(INTERNAL REFERENCE)
Internal
Internal
Internal
External
Internal reference and reference buffer on
between conversions
Internal reference and reference buffer off
between conversions
Internal reference on, reference buffer off
between conversions
Internal reference and buffer always off
TYPICAL
SUPPLY
CURRENT
1mA
TYPICAL WAKE-
UP TIME
(C_REF = 1µF)
NA
0.6µA
5ms
0.43mA
5ms
0.6µA
NA
Table 6. Clock Modes
BIT0
INT/EXT
CLK
0
1
CLOCK MODE
External clock
Internal clock
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